Sensitivity .00024in/ft (=0.001?)
V-groove on bottom and left for shafts (shafts diameter .59~2.76″).
With transverse vial.
Supplied with adjusting wrench
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3M 19078, E-A-R E-Z-Fit Probed Test Plugs 393-2005-50, 50 EA/Case, 7000127699 